{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34467",
    "entityType": "User",
    "nonce": "0xad8875b72d7feb1b886fe8c477aceea906ba6b87d13a5c376418130d40053214",
    "signature": "0xa98915aed19a22cb0519e46a11db742c2490c41478845bb101e6ac622d2523cc405efc9e225fead4a98d6466cbacfc5c37ae2b7f47a3ba5a7774e3dcdbce625c1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}