{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb56c07056a31c4ce003df452721d702a455479be0de36a977fab44d9ba0fc953",
    "signature": "0xdaee89386d7a5e8cb43d67364949a0c6462f820dd565e8fe078a1c88ff8f860b2edb06d1966d7b77a062ea14831ef644da27920479abe68dc188b3b9ebd726b51c",
    "signer": "0x7dFA279B83AA41779c5Bd05322c07fa0956A66b5",
    "userId": "869218053"
  }
}