{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x58bb055daf83754dbe09a07c28147779a9ca5222e8c2bfecb34cd66c0ac92402",
    "signature": "0x92e9dddc611d0d8ad34c85643b85101bbdc49a339337923cb70f090b57a92306455874835e292131367a53d5b4ebe664cd5cdc26008b652afd5656931f4012dc1c",
    "signer": "0x73622d6a944fE5e48cB2905A89fa0F72c494e9c5",
    "userId": "296201762"
  }
}