{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1596",
    "entityType": "User",
    "nonce": "0x70630fa7243f7fc292dc743b7a469d41785d007e6e84e2263bf80603735a19fa",
    "signature": "0x7ff61ffc8c847e01b1340e9512ab75d7242c457b867d94498267c808979b5e806ce318c810d5751a445d2f7f448ede6b63630c1135e9ae6fc99ab902e8c503b01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}