{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4181",
    "entityType": "User",
    "nonce": "0xd0884729f8abae86c7a647bb02ac7aa5021ec718b0903edd74094fc7fc21d48b",
    "signature": "0xd03dfd3eb5aa24c64237e2e982724d8a355d71eef434a7aa3d0642062f5fe1561b79d9d1b708331908319d5f135e99c229e0699752ca35fe17bc7dcc10025aec1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}