{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906184213",
    "entityType": "User",
    "nonce": "0x9b9245a55c11cc8044bffa7e96c48cb005ee810b01fd8596573fcec8a067309c",
    "signature": "0xb5402555bd359f24a3bdde1b78cfae9a0664a9a832d5d5c9d6bf04e6fc6e3a9932c33011c6238b7b4a648084ca1570ad0d37c70f14e0246a69c52a627fdfaea31c",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}