{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8ee9bb11deb62fbca62603e16524fb368e1b7bfbaa5e47bf53684fd9899272c1",
    "signature": "0xb59c9cb71b7af0b0a64a5609570fe27599ff45653f2fa8efb7a0a95a2a0deb1b5654c8f4e1fba2c5b90c0c512338c8b2cc01a97ce3675c6c2af904e7d2ba66201b",
    "signer": "0xB1ce215090bA6C97c8BCA56E838919148eec01de",
    "userId": "311230268"
  }
}