{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22309",
    "entityType": "User",
    "nonce": "0x2b88f5e11fb5a9b44053fad1bee218caeb34a7a383fba589477dc93efc55cebf",
    "signature": "0xb7d9a1c9a8ff4c934b64bde8c332bfe56f1ecb38a97ef787e4a07ba5e758ade20184e24223971a43aa69b9b087e12ea101b71d948cb24704239b03e0941680731c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}