{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55355",
    "entityType": "User",
    "nonce": "0xfec927158dde6856fce1c002bb0c5644cd68e58a3292ea6334b5e9c13208cff2",
    "signature": "0x94ef0a1ad09590e9d9d77dd1a205ecf06d1dcfb98611edd1ff246aabce7223517accca32b274ea47290f9c664613c8636fc24f7fddd82c6a9e8e1c8bc4ba13af1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}