{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26ee66cb3d1ee2e23ef3bc5a97879effcfd9961062651322a0a68a1c11c51b9f",
    "signature": "0x5022013437c35a449b0e37274139f8e3dd8803e4dd24d98503ac023ed761caf713748d6217083c12637be7d8f030cf4be42443ce3874f40adf0293b947193e121c",
    "signer": "0x7dA561c59e20634Fbc2d2d7A9EA8Ca0898294EEe",
    "userId": "415418028"
  }
}