{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353157",
    "entityType": "User",
    "nonce": "0x09ebab0f69d5180938637e9b53348d0863a34727e13aaca089cc4e113839b9e0",
    "signature": "0x624965759f97715507c5d93b5a7b345b14ea35366bd9dc42be83b331326e9568633bcfa11c60eb095e26e83d35b0857f4d4a4c979ae548e5d444575a2fd0bb591c",
    "signer": "0xc925e3D5c81807Eb402BaF80F986fc737F7EfB5c",
    "userId": "230578654"
  }
}