{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xc07d07dd1819ae26114478cf4a11671ba0560790526fb1dd43bd71b4180a0436",
    "signature": "0xa7ccd65fcbeff431723779e0069b4d64942e5b5c9a3d30ad1ffd9991c5f9d5037ed72a66372f4ee75d6363c6b551300c15bc9ac522a10229aa8f49b9bde1573c1c",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}