{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126161693",
    "entityType": "User",
    "nonce": "0xf2e3a694475c9dfc979e07bfca24c288cdf6c0398e29c39215db6b6ea43eb21c",
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    "signer": "0xc26eA8B58Fc9bC4B812DC6e0869c73b1B0b8B900",
    "userId": "746820395"
  }
}