{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0xec51fc2351d1f8675c12d77074a49eb856874b8bf769141ba1774496ebd54b48",
    "signature": "0xe56fb5f8ca4d0c9f3cc3083b2d56a2fac1b7ec05b25051b125e9ccb8efc55085128843c0fbf5e2a74c48f9f50857473100fc328310698e50f268b71eaf0b793e1c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}