{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961795847",
    "entityType": "User",
    "nonce": "0x38ae6d354aebe12880ddbd30c3bf64fb5b68394a2fb71f855908e46f9dc18790",
    "signature": "0x0970e78a9f3707f342bf9591fa04b8d1e58f81517dec7655633913147c77410f7415540a71f96388c15207a384965317a0e09b640987c73c8301df67f2775a9b1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}