{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "679114260",
    "entityType": "User",
    "nonce": "0x6a92d1d4119e5624f5c10795bd656ee98aa1fd9d85e3a9b63fec3336069085e3",
    "signature": "0x11f1236f2c4090a926ff823cb8313ef8226abbbaf22599744e4012e5398de7647df8cc77ee742763eff44bc010f06f29694fd25d6b96b2898da2e5f085cd2bb71c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}