{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xa08253ccc30f7510798577bfa804777a62f3ef6be6a897e2ccf066aefeb215b1",
    "signature": "0x411c1211cac932a07529df79b863bfce81121744de8b698af1b0049c52124a8536f129fc0e85a177fd711817018473f9e1e48d88b297554549df29a9881c4a831b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}