{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0x78e3d6c95171c0011e693596386d4294ef7b71638133ed7371b851f278cf8241",
    "signature": "0xe2358d8cec01264f304f8cf2206c516747b5f3ff60adb08610b1287b1b242e657ffe72cd84b8c1c92cbd1fa04d1f482c5f9efaf55bfe695e822fed56e5c73d071b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}