{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3288",
    "entityType": "User",
    "nonce": "0xb0706ecbcdc9d9de4d597271d8b37b01e393076ce0b30669a08c151d7e0991cf",
    "signature": "0x71245e7ee57ab5023194d4ff2e888c151595cae75e3a27f9612ff0fd2106207b773c15ff53f2011116a3f1ea8644be2c03bef711b015967ceead2f527de16b1c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}