{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "420620027",
    "entityType": "User",
    "nonce": "0x86395942a7167860c5152201b09f266772ea6f43ece915fe63f4ad3b4287db95",
    "signature": "0xc8b1f00be494f6dc5abcaa3ec2a04affbe15a7b93750a6fb14de916dac8374e0165ac6cb5ba7757db0d17ca393d2cff065d21d785092dc0d61fe055aa2710ba81b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}