{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x0b500cb5a84f207d872b8ec6529be553e3c458a09fc685f00ff95f33ea4160e4",
    "signature": "0xd4fdbe5c36f6394b711abab3d14d85e76f5117fc60a35e9e8a69f90ea60d1a4a28bd45eba9fa79ad475da76b13d92fdf5f7360c3c7cc22c1a0fff3f267ad69941b",
    "signer": "0x5D4848bCf5c4abA1a0Fdf2B61408c9e4288aDb0E",
    "userId": "305415280"
  }
}