{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7b825f6fe8f6b3290acd26fe67cfa5c70e8e46e44766dcdf365461db797b54a1",
    "signature": "0x0bb414a6e264be93d2d62a0c8eaf862c3b91703375628973d93b14cfcc4698444fca5b9118ab426853d9a7ca70f4e0debeb9cedbdef286778c10118ee986339e1b",
    "signer": "0x3382C7C7AEDC42b2eBCF4d76955803bd8494A5F5",
    "userId": "631403992"
  }
}