{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12187",
    "entityType": "User",
    "nonce": "0x6cfcbe5ce721df29b514407a5f90eb05dd28dac2233ead610e41a8da8580d382",
    "signature": "0x205d1d09c48da3b7a15dc34fd1bbf079c0bd96c7f95df0608b10fa9293562c16012abac184c0b74f63416ca04ccd0a72659fe5015db80ab7832a4028aa6868a91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}