{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xe8aba1c3742e9b9c32b5220ef6c78012e52eb4b16a4c2c04cb8f504b5159549d",
    "signature": "0x4a935eeab773ec82bf78773ca86e42d23106619b76b569a5fcf0960cf71f0779374f783fb920555d85ea49322082805662e0bcec798673dc3fa35bbb3d943e6a1b",
    "signer": "0xbC6F2a03a7eF7517ed79dEA4d42b300BBa79f793",
    "userId": "515207100"
  }
}