{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf840d8ee0ff867caa33be66d84ca047e8f94d9611040c704cb51bcc2ef29575",
    "signature": "0xa116b483bf64794356215bf4085512c3b69b9b503da4e964b641e8d94fe6794814dadee4b8991e32d1378adde7da8b5dc97b7c5c3c4b66ecc6e676d78d2899251b",
    "signer": "0x6174ebD46180Fa016E15a9fF08D1780AC9484f3f",
    "userId": "983667626"
  }
}