{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52412",
    "entityType": "User",
    "nonce": "0xb97b7369f4dabe417d265289922a14f59407f94c59cf6c5921bf79bc1361d270",
    "signature": "0x48a9f4d61e44485272bf87d9c15681d12ac48372d6e57ad0b600b804f2c2804a741dfd2f72589382337dfb85f62633a1ea6cd5566598f2f4c6a098de1771b0d81b",
    "signer": "0xc786627661302FDd2cFe2e72dBc92f07EB40a1Ad",
    "userId": "746647846"
  }
}