{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195544",
    "entityType": "User",
    "nonce": "0x7bc71008b3c99b7d3401f479a8bbcb20a71108f93a80ab7c9686df0c2075cf35",
    "signature": "0xb8934ed7194072d5b938fe0e994d8fe63406b4fd98be66c9ab647deb8169cadd3fe2c83be1c5211162c48600b7d26a5c933cfbb76459bc6556db035ca1e0bb531c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}