{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x917329f96cea7cc2164634b356fe1cf6f87d6b9d6d056aae5a1c000ad508d518",
    "signature": "0xe098b993ea7992341c5f091f511425bf2d70606e83f315653d0803820789f12427e60046f74ba796eb9ec057bccc463c6ef1aaa8cf23b6634807e754121c7b8f1c",
    "signer": "0x51F0B9CbfA02b6CA88Eb180845C7F8C1B74ACE39",
    "userId": "319049298"
  }
}