{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3848",
    "entityType": "User",
    "nonce": "0x2c89e6a4c6c68dd7fabbc7612ace5c2e9672511e9e3e2fdaab1279c69b0dc5da",
    "signature": "0x3c1e518ba0c54bf696a686d87ed127cd648699908074bc6c3275e686917f94cd242fb7750f3146329914d755b453075275dc0c82d6b2353e834cf526a4df63d01b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}