{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65705",
    "entityType": "User",
    "nonce": "0x8dd2e016751b51c5d4e5be1351bc639bd4f2aa737fb90f8bdd09a4a8375d8b2c",
    "signature": "0x73b66fff5c5e392aebd93173f519b90656c14f0e51d82ff4e517cf5487e45e982cc6edbbf25922e9cba06aa02f9a0813f1e60552f2e247f00d01a0fbcf1a51ce1c",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}