{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77084572",
    "entityType": "User",
    "nonce": "0x06a35956b4edabd08582111de7c466a23e29261c8444a9b29a4a8c0d77d1ad38",
    "signature": "0x6b5880457a38ac4158c1773d02ecc8144e09996c32327f8634f92b52813116fc581e91d735fae3d84d90dce6f07a8551815efe4d825561d58a37b812870ced8c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}