{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0x2e3f9e53422b380467f8e625749255832d94c26c2ba677ee3025f19d44abdc30",
    "signature": "0x8b8af796968d5dbe8c69f6e79530a34a1cd5d956f241370978818e62168bcc09427d9a8722f27d950b1ea2e1670d515fb391f60c25253c46e4fded9a12eaae951c",
    "signer": "0xc7c27db18a3763967110405512b2122aCF189837",
    "userId": "195061966"
  }
}