{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461334",
    "entityType": "User",
    "nonce": "0x9f20134cfdf4ff9322bff7799cd311618f5f5dbce72048ea338cbd93796b2947",
    "signature": "0xc366bc7b2fa58284e9712f1994bb96c653284a7223f3f590a9b405ec7fd245724c5afba4fbff80c1755b0ead1d961da402562709aeb7104761c864d05fb968251b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}