{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x091ae0478e5d8c60938c6e60d5a0df560fceaf56a483c042638bbe882b4bfa35",
    "signature": "0xbca5c6f264cea58b95201026b82a300d3f728697b7cbcf392113b2aa37f9425d56557de16289da8cfdc14e4ccc2804bd60e8afa6a325c48672f1b8a5b82154d11b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}