{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320603013",
    "entityType": "User",
    "nonce": "0xed841405b07f60a47f26a387a92eeecdbfcdf756fabfe8be52f8543436301d25",
    "signature": "0xf91772b0f5ee6bd9b116b03e946d3301847d715c91788e57dbacbe0ef3e303f07cac3ebd90e5ef85f735ee9ca14c7b65cdef53a024bb2f3c27c91242df7ae76f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}