{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x84344d5e9c10eb9d4826c82efdf413e235720edff98ad01ac62d7874d769deb0",
    "signature": "0xd8256a31339cc5eb3f5d3af145ba5cff3386a4221462bed1df10d20dceb2439a534a5dbf3f0919e1c3547eac610e021ce7e0deaa1334953c7b5359e6bd1fcd341b",
    "signer": "0xd81299912e1755E325D343C6dCF261FBbc9980ea",
    "userId": "79804165"
  }
}