{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311106",
    "entityType": "User",
    "nonce": "0x9f04e2dbbffcc9d6e7ee111b0e6bf1629cf84d67c6fbc3d6f3bc33515187006c",
    "signature": "0x09f62a451178e22a2ca283cd7bbf691c768d2ccc12735c1be5054c226eacbd4c1d55c671970498939b8eadcfdeb11febb87d70d4489242d0b11524cccc8990481b",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}