{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0xcf762ba3095e527a934da5303b45340364f9cc61b1da0ea9f621d142e8cae06e",
    "signature": "0x807a50efcd6b981f2e6b1ea15eb8549dfd647723d544fee7ace7667f30b71a743ba80c41cbc9877309c268d8fd425c9aa1142a457a8323d1ee0249def7eb19141b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}