{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "426030",
    "entityType": "User",
    "nonce": "0x524d6d11eb231fa8cac71328d08dbb5873deae072049f660c594b9770c24d947",
    "signature": "0x7dbfc6a101f8b17c12ca332ec5b0abeccba4ec2cd51c0a2ece28ebf3267aba416241fc1f632f786f347e47d241bdf3832b84e21dc4d83bedc5bd7119d2bdcf361b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}