{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115899",
    "entityType": "User",
    "nonce": "0x0d024fe60d9ee507032f62903d96fe1d5804b4de7c69e450aa46bd34af8a101e",
    "signature": "0x96a5739a4b893edd1ad0ae82688b5623f96fc9951cf06c3a0c63a2da8f90eb4537e77b9fd8ee9d4f9ec64ae908d012207754ea5b96063124b1ac2184b3d28e641b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}