{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330293",
    "entityType": "User",
    "nonce": "0x1c48adfa9feb5e3f75c67fafa879e88e19043416c420b9e831fbaa3f205fc32e",
    "signature": "0x7a196ab384aea552fbaa1353eb3117ad5775cea033e37f7fd5dba8249ec498801cdc23bfcf3fe34126dd4e4aa765255e262fd19ba0304e717aa8ecc8e0ec19b71c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}