{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185108",
    "entityType": "User",
    "nonce": "0x3ecb57f5356ad10a9e937d4a7fa8d709e3da40c89a6cd02dca72261f8fe1e308",
    "signature": "0x2ebb08917bb3279b465c6ccfed7b451850dfdd492916917e20f6be9b4e85ee9d17795e4a7ac47ec1386942f7ee959d5558875c6f66defb59a6b7edc537e5f4e81b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}