{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4228",
    "entityType": "User",
    "nonce": "0x32c904938d9d43dbfd37e395c3f6f1b7b51276bb12fc9be1a459a988c1141217",
    "signature": "0xae70ca5784f6de5fbcf248b73d00580394ed82b908c841a1816e69b5f6242aad47e97bf329135aca5831af4527cbe95ac51576fb24b64c118b1008cc79159e901b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}