{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0xd3fbabb705760dc4dc02015de0d545b406070b9f3b9a55fd09384aaf1beead8f",
    "signature": "0x3c913aaf3744249e7614899f70d5a8d99f812e703cf889d4de4d62566683a14902304cc701090731c2a199564c90417f5c43329bded0668db970f2244f6d29b11b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}