{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7b46a587410657fc839355be7dabae858b47d624b3181328c3372a38cfd0f02f",
    "signature": "0x03365c5f594b019cfbbe6c1d1bf4bb0a9c429f4110ba1212c490aa91cd9d551f2cc7c90841af4b54bc7fd4d6e65e4851d93d5debd9c1532739d414efb60be7521b",
    "signer": "0xa89657c6AbE718D0b84Fa7344A52C9De3FBD63c7",
    "userId": "628703760"
  }
}