{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x72e29af1fcc47edb1289196e674b3c5b6e3c745b178816d1099dbaeb3f83a7d8",
    "signature": "0x61e10a768c4b77d97673859c97bce2c93889a8e3312e3c6e4c8b905d838cc8386ca085a230b0c2ec292c6ee46a73d5de9776a697ad2c82a9564d0b348ad38a921b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}