{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77744",
    "entityType": "User",
    "nonce": "0x9d62d0ee395b9a55872eaa3a2a2d488479acfea0fd77cfecf0e3122af5b91c15",
    "signature": "0x9fc330a4ae810814d30e31a9fa058758cca77d991bb6263e38cda0fede0992770836979bd1354587ed8a5f60d86976846a8c238c92543bc5356fef11dfd1df981b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}