{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95b8e787a1f6d4cba06bb93c61a8157361a5f05ed99d939d7cc1618bb1c6059c",
    "signature": "0x46a3d418526b59fb6680eef9fd8e1fa1cbd9a485320b94b3273bb4580f432e60242d16ae2063ec8d6b92f3c07f64b3f92d1b0903b9f82d7badc6521a37d333381b",
    "signer": "0x8c29F2527B83fCf46Ba0EA821Bc5CC59e4a336a7",
    "userId": "420026003"
  }
}