{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132594338",
    "entityType": "User",
    "nonce": "0x8a726aec8a3241220981256df3212e6c32865b15481a8d4272d6308c361d2595",
    "signature": "0x9ebcaaf52e28fce23197c7d4b644bcd46d9064b0eaf745d2fe75358ce6e4c9d40ae7577218087bc0b08b3b80c183b2a7786104d423055f789848a679b82baee01c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}