{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa74096c767560c73b5e03bdba55b2b9deb4fe34949cc61578f7fe28f914dfea4",
    "signature": "0xb8a6d29cfb165b7a5ea0747304cf5b8ca83a987bbfcc6e738f0aa39069da9bf1357f6e09af9d0a636401df397ccb5f16a725bee0e3c40c772257238b2a8468b21b",
    "signer": "0x0e9771DD73c709263770157f4612A7ca03F751c8",
    "userId": "61862051"
  }
}