{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0xd1c801fa884ae5e5a56156949713e5f05c07dd5637b94a02bf2db12caeea255b",
    "signature": "0xf5ad16ade6139c028d8ee85fb93ad69c30e0226d0dafc12ddf7601b2fbcc82702bc4808b28bc534d7ba97703216b742102212d29c4794e0f4fc47ff06d4b46ef1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}