{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3467",
    "entityType": "User",
    "nonce": "0x947bb743624fa40e45619856eab709a129ee94bb19f8911a6f527ec5074f83ee",
    "signature": "0x27a93f807d2c6c6ad38189e894bf28dc336108dd54b56cd6a8420c9e8e8d5c5e376e3d852632a4db24a30d3ab813dd8fb4b4af174c07b70f8f8da196b2b1ab541c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}