{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22766",
    "entityType": "User",
    "nonce": "0x1c3de297f95db1e61b20ef345b3f9d5a67a9380cc2be7d32997315a5f96c5bf6",
    "signature": "0xdc23c5a8ccfab6d3916e60e8aa0440d5f6a839523282781555fc4c61f3f7a5d10a01292e690168da72d82a0c69373d287bfe886de52c5f22e5aec590d579c5341c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}