{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75322",
    "entityType": "User",
    "nonce": "0x8d65c9d28e4421b36efc85eaa828e76321b72f76d2ba6ad30fb4af1f0f53745d",
    "signature": "0x7d83bdf4c9dac367937feecc42b81c5a79931891fd9d99ac569fb582989f80452ecfbe2d2f0cc29e09e0a6be52c17bf4a3a1c3ffa672f81c1869662c5af3e53c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}