{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x58af9e82885cdf09f50c970bff75e3128cdefea09b1aaf7fd34eb3291d620451",
    "signature": "0x61e1b05c97749e21537e3aaa27b2787efef537f05f02f309619763cb004f0ddc30deb39566cc49b7f71c2860527dee7708d2de207b0f4bba65903a5fb11514411b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}