{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1812000",
    "entityType": "User",
    "nonce": "0xd282b4aece973b2e1943c01b90eb7673653a7ca1bf23ef5c65d089534d365c0c",
    "signature": "0x21325adcda80568e7e2aa9a6775f71c9d4c15adee034cb96dfecbd0b5f88438926bd0499a532e4bfffaf228f447f41fcee48d8e10fbad80c1ce907df28b624fb1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}