{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0f507fd85b9bedb706ffa2ccbf0ea8574231c72e6f457b0dc74a07227de13323",
    "signature": "0xb833302b7e0934f2dc77bb32bf80e73d64dc15b80a32364e0f85c16c8a9f33763fad6ccaf1d82b73ef8df6c5951b6fd077ed07c87ebeec0f7409979f5c483f6a1c",
    "signer": "0x982F30e13aCd411fdDB6e273FFeF1e1F38780a64",
    "userId": "993944575"
  }
}