{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172",
    "entityType": "User",
    "nonce": "0xae880d0449398866d2dcfed78de79dc815ffaa7df8c2e917d8776fd661401f9e",
    "signature": "0x14f158c2c96acb98c200b688934fa8bc334682488a5986d0f6ae5ea06d604c8405d11f4ae6e8a98f0d20e91146c4b9d13ed9e6e633fe4e0d6c6666f4c5bd52371b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}