{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "802461",
    "entityType": "User",
    "nonce": "0xc7f50eb784791ed5e516790404d956a2ba0c57527efda09b0c6d5961e11d43a3",
    "signature": "0xa455e16136cd8e7f05bdc0eb52a31a477153bc7ae0847af84d3f55e1a645a63367e9ddf16b82a96b9bfba14ed81421829a0f1b044ead47be152a7b648666f8841b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}