{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309151",
    "entityType": "User",
    "nonce": "0xaffd55017c2a154ed97135b692c2dda0d4f6be8199449d5b716cc2ac8bc0889b",
    "signature": "0xaf849e5d2c7b9b0621760bb8541a8f33114e0ada9fd40ea5374a921868094f26477966dd6fdbe2ec3525cbd27438ea12d2e1204ffa58b50a021ae4fde7d06a361b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}