{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0x779de10a89cc9babc50ac560b58b9a3c5fb451f95ad05fac3a0ffd2dafa2e5ea",
    "signature": "0x7a7b45c4140e0808da4419187eab0f4ff8482ec929ac13954115b4799f86401f24d29b4e793dca053973a2d7982a2523d8aff519f35ee2c4a65e841546cab4ca1b",
    "signer": "0x10805E046e879D8e4503D67e495Fd1d280142e5D",
    "userId": "355715"
  }
}