{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68549",
    "entityType": "User",
    "nonce": "0x1cfb5ceb9eee4ef5c7988785eca124681f88c44f09b64c3a1beb66ec0a7008e3",
    "signature": "0x2b0e892dc8115307c0057e77c70c7120f2d66b998084a27f28ab74caafe0a576794b52327af0132c9fc0e6bd78f4bce64c67004f08a64eed20d4ac3e3ffc0df41c",
    "signer": "0xF5C198A035503518a579b15Fb9eE834F3b4b1bAB",
    "userId": "765691673"
  }
}